MCO - Material Changeover Procedure

Material Change (Material Changeout Wizard)

Check the Software Version. The printer must be running software version xxxxxxxx or later. Install new software if needed.

Pre-Existing Service Issues. If the printer has any pre-existing service issues, do not attempt to perform this procedure. Resolve any existing issues before beginning this procedure.

Check the Build Chamber. Make certain the build platform and build chamber are clear from any obstructions that may prevent the free movement of the print head, (e.g. tools, parts, etc.).

Observe the Specified Wait Times. In several steps of this procedure you will see the statement, “This may take up to 20 minutes. Please wait”. Please be extremely patient and wait the specified time. Although the printer may appear idle, do not deviate from the procedure.

Do Not Deviate from the Procedure. This procedure must be completed in order and in its entirety.

Caution: Modifying the procedure may cause serious damage to the printer.

Check for Materials on Hand
Make certain you have the following available:

Two cartridges of MCO Cleaner 5600

Two cartridges of the new material you are switching to

Lint free cloth

Nitrile gloves

Safety glasses

2 -2.5hrs or your time

Check the Printer State
When the printer is in an energy saving state such as Standby or Conserve, the material heaters are partially cooled and many other components are disabled. The printer and materials must be at normal operating temperatures before the material change procedure can be performed.

Check the Message Bar on the user interface. If the message displayed is STANDBY NOT PRINTING or CONSERVE NOT PRINTING, the printer will need time to warm up before beginning this procedure. The amount of warm up time for each mode is:

Standby 15 minutes

Conserve 25 minutes

If you see either of the adjacent messages (outlined in red), proceed as follows:

Press the Start key.

Cancel any prompts that appear.

Wait the time specified above for the printer to warm up.

When the Message Bar displays READY TO PRINT, you may proceed to the next page to begin the material change procedure.

On the touchscreen, press the Status key and verify the printer is READY TO PRINT, (not in Standby or Conserve mode.)

Install a new HMS waste bag, (left waste bag).

On the touchscreen, select Tools -> Material Change Wizard.

Press the grey Start key to start the material change process.

You will be prompted with the adjacent dialog box "Commence Material Change?".

Select Yes to continue. Pressing No will terminate the material change process.

The system will allow you to select the Upper or Lower MDM. For this example we will select the lower MDM.

You will be prompted with the adjacent dialog box.

Select Yes to continue. Pressing No will terminate the material change process.

Select Yes to continue. Pressing No will terminate the material change process.

Make certain the waste reservoir bag (right waste bag), is empty.

Machine will now home X,Y & Z.

The printhead will move over the HMS station.

The system will begin pumping the existing material out of the MDM and the printhead.

This process of pumping out the existing material will take approximately 20-30 minutes.

The status of the process is indicated by the changing progress bars.

When the adjacent dialog box is displayed, open the lower MDM.

Use a lint free cloth to wipe out the MDM holders to remove any residual material.

WARNING: THE MDM HOLDER AND MOLTEN MATERIAL WILL BE HOT; AVOID TOUCHING THE SIDES OF THE HOLDER DURING THE CLEANING PROCESS. WEAR PROTECTIVE HEAT RESISTANT GLOVES, PROTECTIVE SLEEVES AND GOGGLES. DISPOSE OF THE MATERIAL ACCORDING TO ALL LOCAL, STATE AND FEDERAL REGULATORY GUIDELINES.

Install two cartridges of MCO Cleaner, into the lower MDM.

Close the lower MDM.

Wait a minimum of 20-30 minutes to allow the MCO Cleaner to warm up.

This dialog box is displayed if the MCO Cleaner 5600 has not been installed into the MDM.

This dialog box is displayed when the MCO Cleaner 5600 is being installed into the MDM.

Once the machine has successfully installed the cleaners, the machine will automatically begin to flush MCO Cleaner through the MDM and Printhead.

Note: If bottles are cold, warm up could take as long as 30 minutes.

When the machine has completed the cleaning process, the following prompt will appear.

Select Yes to continue. Pressing No will terminate the material change process.

Remove both of the MCO Cleaners cartridges from the MDM.

Close the lower MDM drawer.

The system will pump the remaining cleaner out of the system and into the HMS waste bag.

This may take up to 10 to 15 minutes, please wait.

When you are prompted by this screen, open the lower MDM.

Use a lint free cloth to wipe out the MDM holders to remove any residual cleaner material. Make certain you use a lint free cloth to avoid manifold contamination.

WARNING: THE MDM HOLDER AND MOLTEN MATERIAL WILL BE HOT; AVOID TOUCHING THE SIDES OF THE HOLDER DURING THE CLEANING PROCESS. WEAR PROTECTIVE HEAT RESISTANT GLOVES, PROTECTIVE SLEEVES AND GOGGLES. DISPOSE OF THE MATERIAL ACCORDING TO ALL LOCAL, STATE AND FEDERAL REGULATORY GUIDELINES.

Install two material cartridges of the new material.

Close the lower MDM.

Select Yes to continue. Pressing No will terminate the material change process.

This status screen is displayed while the new material is pumped into the system.

This may take up to 40 minutes for the new cartridges to warm up. Please wait.

This screen is displayed when the changeover process is on the last cycle of completion.